angelicapatal419 angelicapatal419

23-11-2020
Mathematics

contestada

find the roots of the equation (t+1)2 +(t-8)2=45
a.-5,-2 b.3,4 c. 5,2 d. 2,-3

Respuesta :

ddss1972 ddss1972

23-11-2020

t2 +2t+2+t2 _16t+64=45

2t2_14t+65=45

2t2_14t +20=0

(2t_4)(t_5)=0

t=2 t=5

answer is C.5,2

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